UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xRKrfXdofThcisPlKv2dVzPgSu/SDUpdi+3V/S/FnQ0=' 
WHERE 
  key_id = 'a8c7cf50840e7960b8a2887420233f00e470eeabfa2801dc3a1fff1442a2caa7' 
  AND (
    token = 'xRKrfXdofThcisPlKv2dVzPgSu/SDUpdi+3V/S/FnQ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )